Some light flake8 corrections

theano/tensor/tests/test_blas_c.py

@@ -322,6 +322,7 @@ class TestCGemvFloat64(TestCase, BaseGemv, TestOptimizationMixin):
 
 class TestBlasStridesC(TestBlasStrides):
     mode = mode_blas_opt
+
     def test_ger_strides(self):
         skip_if_blas_ldflags_empty('dger_')
         super(TestBlasStridesC, self).test_ger_strides()